Temporarily change arguments

• Reboot.
• Press ESC to open GRUB during boot.
• Press e to edit the commands.
• Add or remove your arguments.
• F10 or Ctrl+x to continue booting.

Make persistent changes

sudo grubby --default-kernel

sudo grubby --info <kernel>

sudo grubby --args="arg=value arg=value" --remove-args="arg=value arg=value" --update-kernel <kernel>

sudo grubby --info <kernel>